/Engine/Source/Runtime/Engine/Public/HLSLTree/HLSLTree.h
bool SetType ( [FEmitContext](API\Runtime\Engine\HLSLTree\FEmitContext) & Context, const [FRequestedType](API\Runtime\Engine\HLSLTree\FRequestedType) & RequestedType, [EExpressionEvaluation](API\Runtime\Engine\HLSLTree\UE__HLSLTree__EExpressionEvaluat-) Evaluation, const [Shader::FType](API\Runtime\Engine\Shader\FType) & Type )